[Kdenlive-devel] Vu Meter

[amir]

with the Vu meter I'm getting a few:

ALSA lib pcm.c:7245:(snd_pcm_recover) underrun occured

which crashes Kdenlive. this didn't happened in previous revisions.


> I made another commit yesterday, with higher values. (Range from -127
> to 127 had only a max value of 127 while scale is 255). I had the idea
> to change from ByteArray to QList<int> (for greater range), or better
> the whole audioframe, so the we could make an abstract audio class,
> which can then have, this vu-meter and an histogram for the audiodata.
> With that i have also red with mp3. Also Video have now sometimes red
> values.
> 
> marco
> 
> On Wed, 29 Sep 2010 10:01:40 -0700, Dan Dennedy <dan at dennedy.org>
> wrote:
> > On Mon, Sep 27, 2010 at 4:36 PM, jb <jb at kdenlive.org> wrote:
> >> On Tuesday 28 September 2010 00:13:40 Dan Dennedy wrote:
> >>> On Mon, Sep 27, 2010 at 2:17 PM, Simon Eugster <simon.eu at gmail.com> 
wrote:
> >>> > Sorry I cannot comment on your UV yet, but I really cannot run
> >>> > anything atm :( (and I wanted to show kdenlive in a lecture on
> >>> > wednesday)
> >>
> >> The startup crash is fixed for me if you use latest Kdenlive svn + the 
small
> >> MLT patch I sent on MLT's mailing list.
> >>
> >> @Marco:
> >> I made a few changes to the Audio Vu meter (put it in a frame above the
> >> video). Seems to me like the level is not very accurate, because it goes 
into
> >> the red even with low volume clips... but it' late now, maybe it's me.
> > 
> > Heh, I was using it yesterday, and it always seemed too low. I never
> > saw anything but green, and I wondered if I should expect the meter to
> > extend the full width of the window or if there is some non-obvious
> > shorter extent.
> 
> 
> 
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